code: def __init__(self, device):
      self.lpips_net = lpips_lib.LPIPS(net="vgg").to(device)
  
file_path: splatter-image/eval.py
imports: import json
  import os
  import sys
  import tqdm
  from omegaconf import OmegaConf
  import lpips
  import torch
  import torchvision
  from torch.utils.data import DataLoader
  from gaussian_renderer import render_predicted
  from scene.gaussian_predictor import GaussianSplatPredictor
  from scene.dataset_factory import get_dataset
  from utils.loss_utils import ssim
label_desc: Use image node_id 1 to create a new Metricator object  with example: obj = Metricator(device)